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27 March 2024, 02:37:15 UTC
Revision 76ca1af10e28021e1894c5703da42b5e7bff1771 authored by Stuart Hayes on 10 April 2007, 20:38:43 UTC, committed by Bartlomiej Zolnierkiewicz on 10 April 2007, 20:38:43 UTC 
ide: ugly messages trying to open CD drive with no media present
 
I get the following error messages when trying to open a CD device
(specifically, the Teac CD-ROM CD-224E) that has no media present:

hda: packet command error: status=3D0x51 { DriveReady SeekComplete Error }
hda: packet command error: error=3D0x54 { AbortedCommand LastFailedSense=0x05 }
ide: failed opcode was: unknown

This happens when a "start stop unit" command (0x1b 0 0 0 3 0 0 0 0 0)
is sent to the drive to try to close the CD-ROM tray, but this drive
doesn't have that capability (it's a slim portable-type CD-ROM), so it
reports sense key 5 (illegal request) with asc/ascq 24/0.  This is
exactly how SFF8090i says it should respond.

But ide-cd.c (in cdrom_decode_status() ) just sees sense key 5 and spews
out an error.  It then goes on to request sense data, and
cdrom_log_sense() understands this error and doesn't log it.

The patch, for kernel 2.6.20.4, suppresses this error message.

Signed-off-by: Stuart Hayes <stuart_hayes@dell.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
1 parent 2345031
History
Tip revision: 76ca1af10e28021e1894c5703da42b5e7bff1771 authored by Stuart Hayes on 10 April 2007, 20:38:43 UTC
ide: ugly messages trying to open CD drive with no media present
Tip revision: 76ca1af
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